Add GrRenderTargetContext::resourceProvider & GrResourceProvider::caps

and retract GrSurfaceContextPriv a bit

Change-Id: Id47af1052f9bda4fe7c85b3ce46b3ebe37797524
Reviewed-on: https://skia-review.googlesource.com/9647
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/tests/ProxyTest.cpp b/tests/ProxyTest.cpp
index 50af7f7..648ae1d 100644
--- a/tests/ProxyTest.cpp
+++ b/tests/ProxyTest.cpp
@@ -141,8 +141,7 @@
                                 }
 
                                 sk_sp<GrTextureProxy> proxy(GrSurfaceProxy::MakeDeferred(
-                                                                                provider,
-                                                                                caps, desc,
+                                                                                provider, desc,
                                                                                 fit, budgeted));
                                 REPORTER_ASSERT(reporter, SkToBool(tex) == SkToBool(proxy));
                                 if (proxy) {
@@ -175,10 +174,9 @@
                                 }
 
                                 sk_sp<GrTextureProxy> proxy(GrSurfaceProxy::MakeDeferred(provider,
-                                                                                          caps,
-                                                                                          desc,
-                                                                                          fit,
-                                                                                          budgeted));
+                                                                                         desc,
+                                                                                         fit,
+                                                                                         budgeted));
                                 REPORTER_ASSERT(reporter, SkToBool(tex) == SkToBool(proxy));
                                 if (proxy) {
                                     // This forces the proxy to compute and cache its pre-instantiation